Cramer's rule

noun

An explicit formula for the solution of a system of linear equations with as many equations as unknowns, valid whenever the system has a unique solution.

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Meanings

nounCramer's rule (plural Cramer's rules)

plural Cramer's rules

  1. linear algebraAn explicit formula for the solution of a system of linear equations with as many equations as unknowns, valid whenever the system has a unique solution.

Origin

Named after the Swiss mathematician Gabriel Cramer, who originally published the formula in 1750.

Full word history & related roots →

Translations

Catalan regla de Cramer
  • regla de Cramerthe explicit formula
Czech Cramerovo pravidlo
  • Cramerovo pravidlothe explicit formula
Danish Cramers regel
  • Cramers regelthe explicit formula
Dutch regel van Cramer
  • regel van Cramerthe explicit formula
Finnish Cramerin sääntö
  • Cramerin sääntöthe explicit formula
French règle de Cramer
  • règle de Cramerthe explicit formula
Italian regola di Cramer
  • regola di Cramerthe explicit formula
Polish wzór Cramera
  • wzór Cramerathe explicit formula
Portuguese regra de Cramer
  • regra de Cramerthe explicit formula
Russian ме́тод Кра́мера, пра́вило Кра́мера
  • ме́тод Кра́мера (métod Krámera)the explicit formula
  • пра́вило Кра́мера (právilo Krámera)the explicit formula
Spanish regla de Cramer
  • regla de Cramerthe explicit formula
Swedish Cramers regel
  • Cramers regelthe explicit formula
Cite this entry
APA

Cramer's rule. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Cramer's%20rule

MLA

“Cramer's rule.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Cramer's%20rule. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Cramer's rule,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Cramer's%20rule.

Source: Cramer's rule on Wiktionary, CC BY-SA 4.0.